Notable auto racing deaths

Dirt track racer Kevin Ward Jr., 20, died Saturday night after being hit by NASCAR racer Tony Stewart at the Empire Super Sprints series event at the Canandaigua Motorsports Park in upstate New York. Take a look back at other notable auto racing deaths through the years.

Hillary Clinton's office said "nothing nefarious was at play" when the former secretary of state used her personal email address, rather than one provided by the State Department, during her four years as America's top diplomat.